Ayatollah Marashi Najafi Library
Qom, Iran · built 1963
The Ayatollah Marashi Najafi Library, in Qom, is the third largest library in Iran, after the Central Library of Astan Quds Razavi, and the Library of Parliament, as well as being the world's third largest Islamic library, with more than 250,000 books, 25,000 of them online.
Library data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).